An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6135-01-426-8282
NSN 5975-01-590-0923
NSN 5990-01-242-9653
NSN 6150-00-590-0863
NSN 5935-00-974-4417
NSN 6610-01-633-8931
NSN 6135-01-581-1039
NSN 6220-01-647-6986
NSN 5925-01-227-4631
NSN 6320-01-292-2232
NSN 5996-00-539-7956
NSN 5965-01-064-7496